Permutation Combination - Different interpretations ?

Hi All This question can be solved in 2 ways depending on interpretation. Question: There is a set of characters, A B C D E F G H I J K. There are 4 character and 3 character codes to be made out of these characters. What is the ratio of the total number possibilities of the 4 character codes to the...

A B C D E __________________________________ | | | | | - 2 - 1 0 1 2 Apologise for my number line diagram above, but this is given with the question with points A B C D E equidistant from each other. So the question says which point A, B,C,D , E has the greatest absolute value. (btw its question no ...

This is a question from OG 11, can it have an incorrect question in there?
Dont remember the question number but I believe its somewhere between Q 11-20.

Hi Stuart The correct answer is 12. Your interpretation is correct. Q asks: In order to ensure that the sum of all cards he drew was even, how many cards did he have to draw? Can you elaborate on why it is interpretation 1 instead of 2? interpretation 1: "to ensure that along the way he'd get a...

thanks for the response Stuart.
Test Magic is a mba prep/gmat forum. Found a link here to them. However i agree with you. Question definitely seems incomplete/incorrect. thanks.

"consecutive numbers" vs "consecutive integer

Till now i assumed that consecutive numbers are always integers. But check the following question I found on test magic. Here is the question: What the median of 7 consecutive numbers? (1) arithmetic mean is 1 (2)total value of 7 numbers is INTEGER Can .5,.6,.7 be consecutive? I think its only integ...

OG edition 11 PS Q:236 - consecutive nos

Questio is of the type: If a,b,c are 3 consecutive nos and a,b,c are +ve and a < b < c then blah blah blah.... OG says the following in explanation to this question: If 3 numbers a,b,c are +ve and a < b < c then we can conclude that b = a + 1 and c = a + 2 My question why? We can have something like...